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256 kB ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Package/Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446VCT7 STMicroelectronics 1: £7.60 710In Stock	Mfr. Part No. STM32F446VCT7 Mouser Part No 511-STM32F446VCT7	STMicroelectronics	ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl Learn More about STMicroelectronics stm32f4	Datasheet	710In Stock	£7.60 £5.50 £5.08 £4.82 View £4.69 £4.56 £4.18 Quote	Min.: 1 Mult.: 1	STM32F446VC	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	180 MHz	81 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz STM32L100RCT6 STMicroelectronics 1: £6.14 837In Stock	Mfr. Part No. STM32L100RCT6 Mouser Part No 511-STM32L100RCT6	STMicroelectronics	ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	837In Stock	£6.14 £4.75 £4.18 £3.90 View £3.68 £3.67	Min.: 1 Mult.: 1	STM32L100RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	51 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152CCT6 STMicroelectronics 1: £6.15 1,008In Stock	Mfr. Part No. STM32L152CCT6 Mouser Part No 511-STM32L152CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	1,008In Stock	£6.15 £4.76 £4.42 £4.03 View £3.87 £3.65 £3.47 £3.35	Min.: 1 Mult.: 1	STM32L152CC	SMD/SMT	LQFP-48	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	37 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz STM32L152RCT6 STMicroelectronics 1: £6.71 750In Stock	Mfr. Part No. STM32L152RCT6 Mouser Part No 511-STM32L152RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz Learn More about STMicroelectronics stm32l1	Datasheet	750In Stock	£6.71 £5.19 £4.58 £4.29 View £4.12 £3.87 Quote	Min.: 1 Mult.: 1	STM32L152RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	51 I/O	32 kB	1.65 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash STM32L431RCI6 STMicroelectronics 1: £4.37 1,840In Stock	Mfr. Part No. STM32L431RCI6 Mouser Part No 511-STM32L431RCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,840In Stock	£4.37 £3.33 £2.92 £2.78	Min.: 1 Mult.: 1 Max.: 300	STM32L431RC	SMD/SMT	UFBGA-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCT6 STMicroelectronics 1: £4.58 1,787In Stock	Mfr. Part No. STM32L433CCT6 Mouser Part No 511-STM32L433CCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,787In Stock	£4.58 £3.51 £3.07 £2.93 £2.71	Min.: 1 Mult.: 1 Max.: 500	STM32L433CC	SMD/SMT	LQFP-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433CCU3 STMicroelectronics 1: £5.05 520In Stock 1,560Expected 25/10/2027	Mfr. Part No. STM32L433CCU3 Mouser Part No 511-STM32L433CCU3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	520In Stock 1,560Expected 25/10/2027	£5.05 £3.88 £3.40 £3.25	Min.: 1 Mult.: 1 Max.: 250	STM32L433CC	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443CCU6 STMicroelectronics 1: £5.09 1,022In Stock	Mfr. Part No. STM32L443CCU6 Mouser Part No 511-STM32L443CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,022In Stock	£5.09 £3.81 £3.45 £3.15 £3.07	Min.: 1 Mult.: 1 Max.: 300	STM32L443CC	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 STM32L443RCT6 STMicroelectronics 1: £6.13 2,488In Stock	Mfr. Part No. STM32L443RCT6 Mouser Part No 511-STM32L443RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,488In Stock	£6.13 £4.50 £4.19 £3.68 View £3.50 £3.13	Min.: 1 Mult.: 1 Max.: 500	STM32L443RC	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM STM32L451RCT6 STMicroelectronics 1: £4.21 3,433In Stock	Mfr. Part No. STM32L451RCT6 Mouser Part No 511-STM32L451RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	3,433In Stock	£4.21 £3.35 £3.13 £2.92 View £2.86 £2.64 £2.63	Min.: 1 Mult.: 1 Max.: 960	STM32L451RC	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM STM32L451VCT6 STMicroelectronics 1: £5.70 1,677In Stock	Mfr. Part No. STM32L451VCT6 Mouser Part No 511-STM32L451VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,677In Stock	£5.70 £4.07 £3.75 £3.59	Min.: 1 Mult.: 1 Max.: 500	STM32L451VC	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS STM32L452CCU6 STMicroelectronics 1: £4.78 1,649In Stock	Mfr. Part No. STM32L452CCU6 Mouser Part No 511-STM32L452CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,649In Stock	£4.78 £3.65 £3.20 £3.06 £2.83	Min.: 1 Mult.: 1 Max.: 500	STM32L452CC	SMD/SMT	QFN-48	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	38 I/O	160 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D STM32L476VCT6 STMicroelectronics 1: £7.00 798In Stock 7,560On Order	Mfr. Part No. STM32L476VCT6 Mouser Part No 511-STM32L476VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	798In Stock 7,560On Order On Order Ship Dates Mfr. No: STM32L476VCT6 Stock: 798 Can Dispatch Immediately On Order: 1,620 Expected 24/02/2027 5,940 TBD Factory Lead Time: 52 Weeks	£7.00 £5.15 £4.85 £4.37 £4.09	Min.: 1 Mult.: 1 Max.: 500	STM32L476VC	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	80 MHz	82 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash STM32L552RCT6 STMicroelectronics 1: £7.80 841In Stock	Mfr. Part No. STM32L552RCT6 Mouser Part No 511-STM32L552RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 256 kbytes of Flash Learn More about STMicroelectronics stm stm32 l5 mcus	Datasheet	841In Stock	£7.80 £6.06 £5.37 £5.03	Min.: 1 Mult.: 1 Max.: 250	STM32L5	SMD/SMT	LQFP-64	ARM Cortex M33	256 kB	32 bit	2 x 12 bit	110 MHz	52 I/O	256 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 64MHz Cortex-M0+ 32MHz 256Kbytes Flash STM32WB35CCU6A STMicroelectronics 1: £5.04 1,680In Stock	Mfr. Part No. STM32WB35CCU6A Mouser Part No 511-STM32WB35CCU6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 64MHz Cortex-M0+ 32MHz 256Kbytes Flash Learn More about STMicroelectronics stm stm32wb wireless mcu	Datasheet	1,680In Stock	£5.04 £4.12 £3.94 £3.54 View £3.41 £3.22	Min.: 1 Mult.: 1	STM32WB	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	12 bit	32 MHz	72 I/O	256 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU AT91SAM7S256D-MU Microchip Technology 1: £8.68 309In Stock	Mfr. Part No. AT91SAM7S256D-MU Mouser Part No 556-AT91SAM7S256D-MU	Microchip Technology	ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU	Datasheet	309In Stock	£8.68 £7.90 £7.14	Min.: 1 Mult.: 1	SAM7S/SE	SMD/SMT	QFN-64	ARM7TDMI	256 kB	32 bit/16 bit	10 bit	55 MHz	32 I/O	64 kB	1.65 V	1.95 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp ATSAM3S4BA-AU Microchip Technology 1: £4.91 1,556In Stock	Mfr. Part No. ATSAM3S4BA-AU Mouser Part No 556-ATSAM3S4BA-AU	Microchip Technology	ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp Learn More about Microchip Technology microchip sam3s mcu	Datasheet	1,556In Stock	£4.91 £4.45 £4.05	Min.: 1 Mult.: 1	SAM3S	SMD/SMT	QFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	64 MHz	47 I/O	48 kB	1.62 V	1.9 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU LQFPGRNIND TEMPMRL A ATSAM4S4AA-AU Microchip Technology 1: £3.59 831In Stock	Mfr. Part No. ATSAM4S4AA-AU Mouser Part No 556-ATSAM4S4AA-AU	Microchip Technology	ARM Microcontrollers - MCU LQFPGRNIND TEMPMRL A Learn More about Microchip Technology atmelsam4s	Datasheet	831In Stock	£3.59 £3.27 £2.97	Min.: 1 Mult.: 1	SAM4S	SMD/SMT	LQFP-48	ARM Cortex M4	256 kB	32 bit	12 bit	120 MHz	34 I/O	64 kB	1.08 V	1.32 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Cortx-M0+256KB FLASH ATSAMD20E18A-AUT Microchip Technology 1: £2.42 4,352In Stock	Mfr. Part No. ATSAMD20E18A-AUT Mouser Part No 556-ATSAMD20E18A-AUT	Microchip Technology	ARM Microcontrollers - MCU Cortx-M0+256KB FLASH Learn More about Microchip Technology atmel samd20 mcu	Datasheet	4,352In Stock	Cut Tape £2.42 £2.33 Reel £2.00 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SAMD1/2x	SMD/SMT	TQFP-32	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Cortx-M0+256KB FLASH ATSAMD20E18A-MUT Microchip Technology 1: £2.37 2,543In Stock	Mfr. Part No. ATSAMD20E18A-MUT Mouser Part No 556-ATSAMD20E18A-MUT	Microchip Technology	ARM Microcontrollers - MCU Cortx-M0+256KB FLASH Learn More about Microchip Technology atmel samd20 mcu	Datasheet	2,543In Stock	Cut Tape £2.37 £2.27 Reel £1.96 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SAMD1/2x	SMD/SMT	QFN-32	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM ATSAMD20J18A-MUT Microchip Technology 1: £2.61 3,983In Stock	Mfr. Part No. ATSAMD20J18A-MUT Mouser Part No 556-ATSAMD20J18A-MUT	Microchip Technology	ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM Learn More about Microchip Technology atmel samd20 mcu	Datasheet	3,983In Stock	Cut Tape £2.61 £2.52 Reel £2.17 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SAMD1/2x	SMD/SMT	QFN-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	52 I/O	32 kB	1.62 V	1.95 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 64KB 8KB32TQFP GRN 1.6-3.6V 48MHz ATSAMD21E18A-AU Microchip Technology 1: £2.98 687In Stock	Mfr. Part No. ATSAMD21E18A-AU Mouser Part No 556-ATSAMD21E18A-AU	Microchip Technology	ARM Microcontrollers - MCU 64KB 8KB32TQFP GRN 1.6-3.6V 48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	687In Stock	£2.98 £2.70 £2.44	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	TQFP-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 256KB 32QFN GRN 1.6-3.6V 48MHz ATSAMD21E18A-MU Microchip Technology 1: £2.91 1,889In Stock	Mfr. Part No. ATSAMD21E18A-MU Mouser Part No 556-ATSAMD21E18A-MU	Microchip Technology	ARM Microcontrollers - MCU 256KB 32QFN GRN 1.6-3.6V 48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	1,889In Stock	£2.91 £2.65 £2.40	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	QFN-32	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	26 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 256KB 32KB 48QFN GRN1.6-3.6V48MHz ATSAMD21G18A-MU Microchip Technology 1: £3.06 2,184In Stock	Mfr. Part No. ATSAMD21G18A-MU Mouser Part No 556-ATSAMD21G18A-MU	Microchip Technology	ARM Microcontrollers - MCU 256KB 32KB 48QFN GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	2,184In Stock	£3.06 £2.78 £2.51	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	QFN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 256KB 32KB 64TQFP GRN1.6-3.6V48MHz ATSAMD21J18A-AUT Microchip Technology 1: £3.35 2,594In Stock	Mfr. Part No. ATSAMD21J18A-AUT Mouser Part No 556-ATSAMD21J18A-AUT	Microchip Technology	ARM Microcontrollers - MCU 256KB 32KB 64TQFP GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	2,594In Stock	Cut Tape £3.35 £3.22 Reel £2.77 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SAMD21	SMD/SMT	TQFP-64	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	52 I/O	32 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel